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I started on a new robot. Totally thought up from my head. I thought of a line following robot that should be pretty easy. LineB or Line Bot. It uses kinda a lot of transistors and a compartor chip. LM393. I'm sure this should work. So the robot runs of a 5V power supply so I built a 5V regulator circut. The zener diode is always on. When the battery falls below 5.6V the diode turns off and so does the LED. Telling you the battery is out of juice. Sensor Circut/Inverter The senso I bought ...
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